Hi all, It seems trivial, but I'm looking for any tips on completing some mylar chutes made from those round balloons you see everywhere. I'm not talking contest-grade here, just something usable for, say, a Big Bertha.
See, I found these great red, white, and blue balloons at the local dollar store before July 4th. Having little cash in my pockets, I thought I'd come back later and get a couple. Naturally, two days later they were gone.
Jump ahead about two weeks, and the clothing store next to the dollar store has a tent sale. Guess what's decorating the tent? (Not to mention the yellow smiley-face balloons -- tempting.)
As luck would have it, my teenage daughter works there part time. I told her to rescue any balloons from the trash, if possible. The last day of the sale, she came home with two badly deflated balloons.
So, at a cost of $0 so far, I'm making parachutes out of them. (Even better than the $2 I was going to spend.)
I haven't made chutes from scratch before, so any tips will be appreciated. Dental floss for shroud lines? Or is there a better idea?
Six shroud lines or eight? (Easier to locate attachment points for eight, I'm thinking.) Length of shroud lines -- 1.5 times the diameter is the rule of thumb, right?
The balloon is round - should I trim it to a hexagon or octagon? The edges want to curl up on the one I cut apart so far. Maybe I should trim the edges somehow to stiffen them?
I'm thinking the red, white, and blue side will be the "inside" of the chute, and thus visible from the ground, while the silver inside of the balloon will be the "outside" of the chute.
Nothing earth-shattering, I know, but it is rocket related, and we can use some lighter topics, right?